Heavy-to-light form factors on the light cone

Abstract

The light cone method provides a convenient non-perturbative tool to study the heavy-to-light form factors. We construct a light cone quark model utilizing the soft collinear effective theory. In the leading order of effective theory, the ten $B$ to light physical form factors are reduced to three universal form factors which can be calculated as overlaps of hadron light front wave functions in the light cone quark model. The numerical results show that the leading contribution is close to the results from other approaches. The $q^2$ dependence of the heavy-to-light form factors are also presented.

25 pages, 4 figures

References in corpus (3)

• Covariant light-front approach for heavy quarkonium: decay constants, P \to γγand V \to P γ
• Gluonic contribution to $B\to {\eta }^{(\prime )}$ form factors
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